File: utils.c

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termrec 0.19-3
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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include "error.h"

void die(const char *txt, ...)
{
    va_list ap;
    char *nl;
    int err=errno;

    va_start(ap, txt);
    vfprintf(stderr, txt, ap);
    va_end(ap);

    nl=strrchr(txt, '\n');
    if (!nl || nl[1])
    {
        if (err)
            fprintf(stderr, ": %s\n", strerror(err));
        else
            fprintf(stderr, ": unknown error\n");
    }

    exit(1);
}